Contreras, G., Beato, P., Lozano, M., Dfaz, M. Julkaisussa Biomechanics and Medicine in Swimming X (2006)
Schega, L., Daly, D. Julkaisussa Biomechanics and Medicine in Swimming X (2006)
Onoi, K., Nishimural, K., Onodera, S. Julkaisussa Biomechanics and Medicine in Swimming X (2006)